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Finding the Fourth Proportional to 392,556.20, 588,834.30 and 97,068.20

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Solution

The fourth proportional to 392,556.20, 588,834.30 and 97,068.20 is: 145,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,556.20 : 588,834.30 = 97,068.20 : x
  2. Step 2: Convert to fraction form
    392,556.20/588,834.30 = 97,068.20/x
  3. Step 3: Cross multiply
    392,556.20x = 588,834.30 × 97,068.20
  4. Step 4: Simplify right side
    392,556.20x = 57,157,085,599.26
  5. Step 5: Solve for x
    x = 57,157,085,599.26/392,556.20
  6. Step 6: Final answer
    x = 145,602.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.